Rhizaria (Rhizarians) is a class of creatures. There are 36133 species of Rhizarians, in 4070 genera and 584 families. This class has been around since the ediacaran period. It includes groups like Cercozoans.
EOL has data for 4 attributes, including:
The environments in which many rhizarians species are known to live. Select an environment to see its rhizarians species checklist.